Question
World Mosquito Day, observed on August 20 every year,
commemorates whose discovery about malaria transmission?Solution
World Mosquito Day is observed annually on 20th August to raise awareness on mosquito-borne diseases. It commemorates Sir Ronald Ross’s discovery in 1897 that female Anopheles mosquitoes transmit malaria. This discovery revolutionized public health, earning him the 1902 Nobel Prize in Medicine. The day emphasizes global cooperation to fight malaria
Mayank gives 25% discount to his customer but he sells only smuggled goods and as a bribe he pays 10% on the cost price. Find what should be the Marked ...
A shopkeeper priced an item at Rs. 640 above its original cost and then sold it at a 25% discount, resulting in a 35% profit. Calculate the cost price o...
A shopkeeper sells an article at a profit of 8(1/3) % of the selling price. Find the actual profit percentage.
A shopkeeper allows a discount of 10% on the marked price and still makes a profit of 20%. If the marked price of the article is Rs. 1,500, find the cos...
Cost price of a bag is Rs.660. The shopkeeper marked it 80% above the cost price and sold it after giving a discount of 25%. If the shopkeeper had sold ...
A vendor buys a certain quantity of fruits at the rate of 32 fruits for Rs. 24 and the same quantity at the rate of 48 fruits for...
A perfume bottle is sold for a profit of ₹175 after a 25% discount is applied. If the cost price and marked price of the bottle are in the ratio of 1:...
A shopkeeper first allows a discount of 25% on a certain variety of cloth and then further gives a discount of 20% to the person holding a shareholder&r...
- Anita sold a gadget to Bhavesh making a profit of 15%. Bhavesh then sold it to Chetan at a gain of 25%. If Chetan purchased the gadget for Rs. 690, find th...
The ratio of cost price to the marked price of an article is 5:8. The article had been marked above its cost price by Rs. 720. If the article was sold a...
Relevant for Exams:
